diff --git a/Library/Homebrew/cli/args.rbi b/Library/Homebrew/cli/args.rbi
index 3ef5dcf0c5..5ff90c62c1 100644
--- a/Library/Homebrew/cli/args.rbi
+++ b/Library/Homebrew/cli/args.rbi
@@ -105,6 +105,12 @@ module Homebrew
       sig { returns(T::Boolean) }
       def installed?; end
 
+      sig { returns(T::Boolean) }
+      def installed_on_request?; end
+
+      sig { returns(T::Boolean) }
+      def installed_as_dependency?; end
+
       sig { returns(T::Boolean) }
       def all?; end
 
diff --git a/completions/bash/brew b/completions/bash/brew
index b742579eec..bd9cc25f84 100644
--- a/completions/bash/brew
+++ b/completions/bash/brew
@@ -1170,6 +1170,8 @@ _brew_leaves() {
       __brewcomp "
       --debug
       --help
+      --installed-as-dependency
+      --installed-on-request
       --quiet
       --verbose
       "
diff --git a/completions/fish/brew.fish b/completions/fish/brew.fish
index b71c079f23..ab79f62cf8 100644
--- a/completions/fish/brew.fish
+++ b/completions/fish/brew.fish
@@ -845,6 +845,8 @@ __fish_brew_complete_arg 'irb' -l verbose -d 'Make some output more verbose'
 __fish_brew_complete_cmd 'leaves' 'List installed formulae that are not dependencies of another installed formula'
 __fish_brew_complete_arg 'leaves' -l debug -d 'Display any debugging information'
 __fish_brew_complete_arg 'leaves' -l help -d 'Show this message'
+__fish_brew_complete_arg 'leaves' -l installed-as-dependency -d 'Only list leaves that were installed as dependencies'
+__fish_brew_complete_arg 'leaves' -l installed-on-request -d 'Only list leaves that were manually installed'
 __fish_brew_complete_arg 'leaves' -l quiet -d 'Make some output more quiet'
 __fish_brew_complete_arg 'leaves' -l verbose -d 'Make some output more verbose'
 
diff --git a/completions/zsh/_brew b/completions/zsh/_brew
index fe36e5cc0e..02b829b871 100644
--- a/completions/zsh/_brew
+++ b/completions/zsh/_brew
@@ -1037,6 +1037,8 @@ _brew_leaves() {
   _arguments \
     '--debug[Display any debugging information]' \
     '--help[Show this message]' \
+    '(--installed-on-request)--installed-as-dependency[Only list leaves that were installed as dependencies]' \
+    '(--installed-as-dependency)--installed-on-request[Only list leaves that were manually installed]' \
     '--quiet[Make some output more quiet]' \
     '--verbose[Make some output more verbose]'
 }
diff --git a/docs/Manpage.md b/docs/Manpage.md
index a340e167fb..2b39668187 100644
--- a/docs/Manpage.md
+++ b/docs/Manpage.md
@@ -313,10 +313,15 @@ the installed formulae or, every 30 days, for all formulae.
 * `--skip-cask-deps`:
   Skip installing cask dependencies.
 
-### `leaves`
+### `leaves` [*`--installed-on-request`*] [*`--installed-as-dependency`*]
 
 List installed formulae that are not dependencies of another installed formula.
 
+* `-r`, `--installed-on-request`:
+  Only list leaves that were manually installed.
+* `-p`, `--installed-as-dependency`:
+  Only list leaves that were installed as dependencies.
+
 ### `link`, `ln` [*`options`*] *`installed_formula`* [...]
 
 Symlink all of *`formula`*'s installed files into Homebrew's prefix. This
diff --git a/manpages/brew.1 b/manpages/brew.1
index 003aa3fb95..cab44faede 100644
--- a/manpages/brew.1
+++ b/manpages/brew.1
@@ -424,9 +424,17 @@ Disable/enable quarantining of downloads (default: enabled)\.
 \fB\-\-skip\-cask\-deps\fR
 Skip installing cask dependencies\.
 .
-.SS "\fBleaves\fR"
+.SS "\fBleaves\fR [\fI\-\-installed\-on\-request\fR] [\fI\-\-installed\-as\-dependency\fR]"
 List installed formulae that are not dependencies of another installed formula\.
 .
+.TP
+\fB\-r\fR, \fB\-\-installed\-on\-request\fR
+Only list leaves that were manually installed\.
+.
+.TP
+\fB\-p\fR, \fB\-\-installed\-as\-dependency\fR
+Only list leaves that were installed as dependencies\.
+.
 .SS "\fBlink\fR, \fBln\fR [\fIoptions\fR] \fIinstalled_formula\fR [\.\.\.]"
 Symlink all of \fIformula\fR\'s installed files into Homebrew\'s prefix\. This is done automatically when you install formulae but can be useful for DIY installations\.
 .